Question

Решите задачу ниже, даю 35 баллов

Answer 1

$cfrac{x^2-10x+25}{3x+12}cdot cfrac{x^2-16}{2x-10} : cfrac{(x-4)cdot(x-5)}{6} = \\\=cfrac{(x-5)^2}{3cdot(x+4)}cdot cfrac{(x-4)cdot(x+4)}{2cdot(x-5)}cdot cfrac{6}{(x-4)cdot(x-5)}= 1.$